摘要
安全壳压力响应分析是验证非能动安全壳冷却系统(PCS)设计的重要内容,需考虑PCS的传热传质等各种现象的影响。本文应用DAKOTA程序耦合WGOTHIC程序对大型先进压水堆非能动安全壳压力响应进行敏感性分析,通过偏相关系数,定量评价了重要现象识别和排序表(PIRT)中各种现象对安全壳压力的影响程度。研究结果表明:质能释放现象、安全壳内初始环境条件、冷凝/蒸发现象显著影响安全壳压力。该研究结果为安全壳设计、安全分析和安全审评提供技术支持。
The containment pressure response analysis,which is important to verify the passive containment cooling system（PCS）design,requires a better understanding of the effects of various phenomena during the design basis accident（DBA）.A sensitivity analysis on containment pressure response was performed by using sampling with coupled DAKOTA and WGOTHIC codes.The effect of various phenomena in the phenomena identification and ranking table（PIRT）on containment pressure was evaluated quantitatively by using the partial correlation coefficient.The results show that such phenomena as mass/energy release,initial conditions inside containment,and evaporation/condensation,significantly affect containment pressure.The sensitivity evaluation is of significance on advanced passive plant containment design,containment safety analysis,and safety review.
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
2015年第12期2176-2180,共5页
Atomic Energy Science and Technology
